<template>
  <section class="main">
    <input id="toggle-all" class="toggle-all" type="checkbox" v-model="all" />
    <label for="toggle-all">Mark all as complete</label>
    <ul class="todo-list">
      <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
      <li
        v-for="item in list"
        :key="item.id"
        :class="{ completed: item.isDone }"
      >
        <div class="view">
          <input
            class="toggle"
            type="checkbox"
            :checked="item.isDone"
            @change="$emit('checkbox', item.id)"
          />
          <label>{{ item.name }}</label>
          <button class="destroy" @click="$emit('delTodo', item.id)"></button>
        </div>
      </li>
    </ul>
  </section>
</template>

<script>
export default {
  props: {
    list: {
      type: Array,
      required: true,
    },
  },
  methods: {
    hDel(id) {
      this.$emit("delTask", id);
    },
  },
  computed: {
    all: {
      get() {
        return this.list.every((item) => {
          return item.isDone;
        });
      },
      set(val) {
        this.$emit("allCheck", val);
      },
    },
  },
};
</script>

<style lang="less" scoped>
</style>